How can I get more expedition modules?

How can I get more expedition modules? - People Getting Paintbrushes from the Can

I found some ruins with my explorer and let it dig around a bit. But when I went with this explorer to a second site, I couldn't construct an expedition there.

I checked the Civilopedia and it said that expeditions consume expedition modules, and I noticed that my explorer didn't have any expedition modules left.

enter image description here

How can I get more expedition modules, so I simply have to built more explorers, or can I get them in any other way?

civilization-beyond-earth

Pictures about "How can I get more expedition modules?"

How can I get more expedition modules? - Man in Brown Hoodie Standing Near Road during Night Time

How can I get more expedition modules? - Silver Can on Green Grass

How can I get more expedition modules? - Book On A White Wooden Table

How To Get FREE Inventory Upgrades!! No Man's Sky Expeditions Update 2021

Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: cottonbro, Anh Tuan, Evan Velez Saxer, Ylanite Koppens